HTML Academy
Previous task
CSS filters1/14
Back to the list of tasks
  • 1. Brightness and Contrast
  • 2. Grayscale and Sepia
  • 3. Invert and Saturate
  • 4. Color Rotation, hue-rotate
  • 5. Blur and Opacity
  • 6. Shadow, drop-shadow
  • 7. The Difference Between box-shadow and drop-shadow
  • 8. Applying CSS Filters to Text
  • 9. Challenge: Using Various Filters
  • 10. Combination of Filters
  • 11. Combining the drop-shadow Filters
  • 12. Animating CSS Filters
  • 13. Smooth Transitions and CSS Filters
  • 14. Challenge: Filter Combinations
Grayscale and Sepia
  • Sign up
  • Log in

Loading…
Everything will be ready in few seconds

  • Theory
  • Theory
  • Comments

Brightness and Contrast

CSS filters allow you to apply visual effects to page elements. Filters are usually applied to images, backgrounds, or frames, and sometimes other elements as well.

Filters are applied to an element before it is rendered, so the number of filters affects the page loading speed.

Filters are set using the filter property. Let’s start by getting to know more about them.

Brightness is set using brightness. Numeric values ranging from 0 or higher or percentages are allowed. When the filter is set to a value of 1 or 100%, the element will be displayed unchanged.

.effect {
  filter: brightness(2); /* Doubles the brightness */
  filter: brightness(10%); /* Reduces the brightness by 10% */
  filter: brightness(150%); /* Increases the brightness by 50% */
}

Contrast is set using contrast. Just like the brightness filter, you can specify either numbers or percentages for the value.

.effect {
  filter: contrast(0.5); /* Reduces the contrast by half */
  filter: contrast(50%); /* Also reduces the contrast by 50% */
 }

CSS filters are already supported in these browsers.

Comments

  • index.html
  • style.css
HTML
1
2
<!DOCTYPE html>
<html lang="en">
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
CSS
1
2
.brightness img {
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

What didn’t you like in this task?

Thanks! We’ll fix everything at once!

The code has changed, click “Refresh” or turn autorun on.

You’ve gone to a different page

Click inside the mini-browser to shift the focus onto this window.

100%
GoalsCompleted 0 out of 2
    1. Apply the filter: brightness(2) filter to the image in the .brightness block,
    2. and then apply the contrast(2) filter to the image in the .contrast block.

    Cookies ∙ Privacy ∙ License Agreement ∙ About ∙ Contacts ∙ © HTML Academy OÜ, 2019−2025

    VISAMastercard

    Log in

    or

    Forgot your password?

    Sign up

    Sign up

    or
    Log in

    Restore access

    Have you forgotten your password or lost access to your profile? Enter your email connected to your profile and we will send you a link to restore access.

    Forgot to connect your email to the profile? Email us and we’ll help.